Revert multi-arch change

Changelog for 0.10.2:

Commits
195fc7a Revert change to multi-arch operator by @alexellis
e743f9e Update DO droplet size by @alexellis
8fc0b72 Show how to enable Ingress by @alexellis
aaaeb15 Update chart to 0.10.1 by @alexellis

Generated by Derek